From ea036f6f9fc40877515965a009a83f1c2c0cf73a Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Thu, 26 May 2016 13:28:14 +0200
Subject: compat/mutex: drop const when casting mutex

Fixes const correctness in spline-widget
---
 opentrack-compat/qcopyable-mutex.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/opentrack-compat/qcopyable-mutex.hpp b/opentrack-compat/qcopyable-mutex.hpp
index f7f36f93..57b0030d 100644
--- a/opentrack-compat/qcopyable-mutex.hpp
+++ b/opentrack-compat/qcopyable-mutex.hpp
@@ -30,8 +30,8 @@ public:
     {
     }
 
-    QMutex* operator&()
+    QMutex* operator&() const
     {
-        return &inner;
+        return const_cast<QMutex*>(&inner);
     }
 };
-- 
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